Question

functional group only define..
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Answer 1

Answer:

Hello freind,

In organic chemistry, functional groups are specific substituents or moieties within molecules that may be responsible for the characteristic chemical reactions of those molecules. The same functional group will undergo the same or similar chemical reaction(s) regardless of the size of the molecule it is a part of.

Hope it helps for ya

Answer 2

Answer:

A group of responsible for the characteristic reactions of a particular compound.

Hey this is helpful for you...